CN110659519A - Voucher manufacturing method based on block chain, timestamp and geographic position - Google Patents
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Abstract
According to the voucher manufacturing method based on the block chain, the timestamp and the geographic position, any data used for recording the animals and plants can be forged, and the binding relationship between the data and a real object is not firm. By adopting the voucher based on the block chain, the timestamp and the geographical position, provided by the embodiment of the invention, the authenticity of the voucher is proved by enhancing the storage authenticity of the original animal information or plant information to approach the limit, binding the animal or plant and the data information corresponding to the animal or plant to the maximum extent.
Description
Technical Field
The invention relates to the technical field of animal information storage, in particular to a certificate manufacturing method based on a block chain, a timestamp and a geographical position.
Background
The individual identification, picture, video voucher, survival monitoring and cultivation management of animals and plants are complex and tedious work, wherein particularly the survival monitoring is that the animal cultivation and the plant cultivation are main sources of food for people, and the growth, the propagation, the safety and the epidemic prevention are regarded as links of national importance.
The animals are living animals, the animals can suffer from diseases or die in the breeding process, after the animals die, breeding insurance can compensate farmers, and similarly, in the process of planting plants, natural disasters can be encountered, but a plurality of problems exist in the process of confirming planting and breeding insurance, for example, the identity of an individual animal is difficult to be determined, the stored data of the animal is incomplete, the establishment of a plant file is incomplete, etc., the existing method for storing the animal data or the plant data is to establish a file, the file is a paper file or an electronic file, however, the existing file storage method is very easy to cause file loss, and the existing file is easy to be changed, so that when the insurance company is required to confirm after the death of the animals or plants, the existing animal and plant files have poor referential property, further influencing the authentication process of insurance claim payment, resulting in difficult popularization of planting insurance and breeding insurance.
Disclosure of Invention
The embodiment of the invention aims to provide a voucher manufacturing method based on a block chain, a timestamp and a geographic position so as to improve the authenticity of a target object archive. The specific technical scheme is as follows:
the embodiment of the invention provides a certificate manufacturing method based on a block chain, a timestamp and a geographical position, which comprises the following steps:
acquiring target information, wherein the target information comprises: image information of a target object, a trusted timestamp corresponding to the image information, and geographic location information corresponding to the image information;
the target information is stored separately, and is processed according to a preset rule, so that a first hash value corresponding to the target information is obtained;
registering the first hash value on a block chain, and recording block information;
and generating the voucher based on the block chain, the timestamp and the geographic position according to the block information.
Optionally, after generating the credential based on the block chain, the timestamp, and the geographic location, the method further includes:
acquiring the target information on the block chain;
generating a second hash value according to the target information;
comparing the second hash value with the first hash value, wherein when the first hash value is the same as the second hash value, the certificate is real;
when the first hash value is different from the second hash value, the credential is not authentic.
Optionally, the method further comprises the following steps after the animal survival voucher is authentic:
acquiring current information of a target object and first distinguishing information in the current information;
acquiring second difference information in the target information;
and determining the current state of the target object according to the first distinguishing characteristic and the second distinguishing characteristic.
Optionally, the method for determining the current state of the target object according to the first distinguishing feature and the second distinguishing feature includes:
aligning the first distinguishing feature with the second distinguishing feature;
when the first distinguishing characteristic is the same as the second distinguishing characteristic, the current information of the target object is real;
when the first distinguishing characteristic is different from the second distinguishing characteristic, the current information of the target object is not real.
The optional preset rule is a national standard hash algorithm.
Optionally, registering the first hash value on the block chain, and recording block information includes:
the block chain receives the first hash value and searches in a file record database, and if mapping of target information corresponding to the first hash value exists, the first target information is uploaded;
and if the mapping of the target information corresponding to the first hash value does not exist, the first target information is not uploaded, and the block chain receives the target information and stores the target information to a database.
Optionally, the target information further includes ownership information;
and separately storing the image information of the target object, the credible timestamp corresponding to the image information, the geographic position information corresponding to the image information and the belonger information, and processing the target information according to the preset rule to obtain a first hash value corresponding to the target information.
Optionally, the block information includes: block height, block chain timestamp.
Optionally, the target is an animal or a plant.
According to the voucher manufacturing method based on the block chain, the timestamp and the geographic position, any data used for recording the animals and plants can be forged, and the binding relationship between the data and a real object is not firm. By adopting the voucher based on the block chain, the timestamp and the geographical position, provided by the embodiment of the invention, the authenticity of the voucher is proved by enhancing the storage authenticity of the original animal information or plant information to approach the limit, binding the animal or plant and the data information corresponding to the animal or plant to the maximum extent.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a flowchart of a method for credential making based on a block chain, a timestamp, and a geographic location according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.
In order to improve the authenticity of animal data, the embodiment of the invention provides a certificate making method based on a block chain, a timestamp and a geographical position.
The certificate making method based on the block chain, the timestamp and the geographic position provided by the embodiment of the invention can be applied to the technical field of animal information storage or plant information storage.
Referring to fig. 1, an embodiment of the present invention provides a credential manufacturing method based on a block chain, a timestamp, and a geographic location, including the following steps:
s101, target information is obtained, wherein the target information comprises: image information of a target object, a trusted timestamp corresponding to the image information, and geographic location information corresponding to the image information;
specifically, the method for acquiring the target information may be: the method comprises the following steps that an animal farmer takes a picture of an animal by using the existing equipment, such as a video camera, a camera or media equipment with a positioning and shooting function, and uploads the information by combining a time node provided by a trusted timestamp service center to obtain target information; similarly, the plant farmers can also acquire the target information of the plants planted by the plant farmers by adopting the mode.
Or the staff of the credible timestamp service center takes a picture of the animal or the plant by combining the current time point and the geographic position, further obtains a picture of the image information of the display time, the geographic position and the animal or the plant, and uploads the picture to obtain the target information.
The target information provided by the embodiment of the invention has time, place and image at the same time, and as a later certificate, the target information can effectively provide the image information of the animal at the time point and the place, and has extremely strong reference.
S102, separately storing the target information, and processing the target information according to a preset rule to obtain a first hash value corresponding to the target information;
specifically, when the target information is separated information, that is, animal image information, trusted timestamp information and geographical location information are independent information, each piece of information is stored respectively, after the storage is completed, each piece of information is relatively independent, if some piece of information is lost, other pieces of information cannot be affected, and the fault tolerance rate of information storage is improved.
S103, registering the first hash value on a block chain, and recording block information;
specifically, the first hash value is registered on a block of the blockchain, and other blocks of the blockchain except the block synchronously acquire the first hash value, so that the first hash value is registered on the blockchain. In a block chain system, each node has complete data, data maliciously tampered with by a certain node cannot be identified by other nodes, and meanwhile, the chain structure records a track generated by the data, so that the data can be verified, and the effect that the content of a block cannot be tampered is further realized.
And S104, generating the voucher based on the block chain, the timestamp and the geographic position according to the block information.
Specifically, a photo having the target information and the first hash value is generated by using the first hash value and the target information corresponding to the block information, the photo is similar to a human id card, and the photo having the target information and the first hash value is used as an animal survival certificate.
According to the voucher manufacturing method based on the block chain, the timestamp and the geographic position, any data used for recording the animals and plants can be forged, and the binding relationship between the data and a real object is not firm. By adopting the voucher based on the block chain, the timestamp and the geographical position, provided by the embodiment of the invention, the authenticity of the voucher is proved by enhancing the storage authenticity of the original animal information or plant information to approach the limit, binding the animal or plant and the data information corresponding to the animal or plant to the maximum extent.
Further, after generating the credential based on the block chain, the timestamp, and the geographic location, the method further includes:
acquiring the target information on the block chain;
generating a second hash value according to the target information;
comparing the second hash value with the first hash value, wherein when the first hash value is the same as the second hash value, the certificate is real;
when the first hash value is different from the second hash value, the credential is not authentic.
It should be noted that when an animal cultivated by an animal farmer dies or a plant cultivated by a plant farmer is in a natural disaster, an insurance company needs to confirm the animal died or the plant cultivated by the plant farmer, and at this time, a credible basis is needed to judge the true condition of the animal died or the plant died, that is, the certificate based on the block chain, the timestamp and the geographic position provided by the embodiment of the present invention needs to verify the authenticity of the certificate corresponding to the animal or the plant before the verification process starts, the target information is downloaded from any node of the block chain or a third-party storage mechanism, and the target information is recalculated by using a hash algorithm to obtain a second hash value, where the second hash value is a verification hash value and is compared with the first hash value, and if the second hash value is the same as the first hash value, proving that the target information stored in the block chain or the third-party storage mechanism is not changed, and further verifying the animal certificate or the plant certificate so as to ensure the authenticity of the animal certificate or the plant certificate.
It should be noted that when the farmer just raises the animals, the farmer needs to take a picture of each animal, or after the plants planted by the grower germinate, the grower takes a picture of the plants planted by the grower, in the embodiment of the present invention, the taking a picture of the animals or the plants refers to taking a digital information record of the animals through a modern digital imaging technology and an image taken by a high-definition camera. The embodiment of the invention does not improve the digital imaging technology in any technical precision level, but the digitalized animal information is the basis of the certificate method provided by the invention. In other words, the digitized image and information of the animal can be certified by the method provided by the present application. In fact, digital information of animals or plants with any precision can be certified by the method and the system provided by the scheme, but the higher the precision is, the stronger the relevance between the digital information and a real object and a claiming right person is, and the easier the digital information is to be certified. In addition, the invention combines the practice of animal past identification and the advantages of digital imaging technology, and adopts a characteristic point marking method for animal identification. Namely, through a high-definition image, the system controls and selects the digital image information of the characteristic points, and the information file of the characteristic points is independently stored. Unique physical characteristics may also be recorded in conjunction with the captured images of a particular location. The selection of feature points may be performed randomly or manually in conjunction with a technician. The number of the selected feature points and the disclosure of the feature points are determined by claiming the right. When verifying whether the animal or plant is consistent with the shot animal or plant, in most cases, the corresponding characteristic points of the animal object are compared only through the characteristic point image.
Further, the certificate authenticity also includes:
acquiring current information of a target object and first distinguishing information in the current information;
acquiring second difference information in the target information;
and determining the current state of the target object according to the first distinguishing characteristic and the second distinguishing characteristic.
It can be understood that, when the identity of the dead animal or dead plant needs to be confirmed, image information of the current state of the animal or plant needs to be acquired, the first distinguishing information may be an ear tag of the animal, and corresponding thereto, a second distinguishing feature in the target information, that is, the second distinguishing feature is also an ear tag of the animal, after the authenticity of the animal survival voucher is verified and the animal survival voucher is authentic, it is proved that the animal ear tag in the animal survival voucher has the authenticity as well, that is, the animal ear tag in the animal survival voucher can be used as a basis for animal identity certification, so as to determine the identity of the dead animal, when the target is the plant, the first distinguishing information may be a parcel number, corresponding thereto, the second distinguishing feature in the target information is acquired, that is, the second distinguishing feature is also a parcel number, after the authenticity of the plant voucher is verified and the plant voucher is authentic, the land mark in the plant certificate is proved to have authenticity, namely, the animal ear tag in the plant certificate can be used as the basis of the plant identity certificate, so as to judge the identity of the plant.
It can be understood that the information stored in the blockchain may be a hash value, or the target information, and certainly, the target information may also be stored in a third-party storage mechanism, when it is required to verify whether the information stored in the third-party storage mechanism is true, the target information may be obtained first, the target information is calculated by using a hash algorithm to obtain a hash value, and the hash value is compared with the first hash value, so as to determine the authenticity of the target information stored in the third-party storage space, and the determination is based on the same comparison principle as that of the second hash value and the first hash value.
Optionally, the method for determining the current state of the target object according to the first distinguishing feature and the second distinguishing feature includes:
aligning the first distinguishing feature with the second distinguishing feature;
when the first distinguishing characteristic is the same as the second distinguishing characteristic, the current information of the target object is real;
when the first distinguishing characteristic is different from the second distinguishing characteristic, the current information of the target object is not real.
It should be noted that, when the target object is an animal, the first distinguishing feature may be an animal ear tag, or may be other information capable of proving the identity of the animal, for example, in the target information, a cluster of white hairs is on the head of the animal, that is, the cluster of white hairs is used as the first distinguishing feature, and whether the cluster of white hairs is present or not is determined in the image information in the animal survival certificate, so as to determine the identity of the animal, it is understood that the above examples are merely illustrative, and when determining the identity of the animal, the distinguishing feature is a feature that is different from other animals and is possessed by the animal, it is understood that a plurality of distinguishing features may be combined, and the combined distinguishing features are compared to further improve the accuracy of confirming the identity of the animal, and the animal survival certificate provided in the embodiment of the present invention is used as the basis to determine the identity of the animal, the identity of the dead animal at present can be judged by any person according to the animal survival certificate without requiring the professional of workers; when the target object is a plant, the first distinguishing feature may be a plot mark of the current plot, or may be other identification information capable of proving that the plant is planted in the current plot.
Optionally, the preset rule is a national standard hash algorithm.
Specifically, the national standard hash algorithm is also called hash algorithm or data summarization algorithm, and the principle is to convert binary data with any length into binary data with fixed length and the following characteristics: irreversible: the data can be generated only in one direction, that is, the data converted by the hash algorithm cannot be restored to the data before conversion by any method.
If the two data are identical, the string generated by the hash algorithm is also identical. If the two data are different, even if only slightly different, then the strings generated by the hash algorithm will be very cluttered and there will be no correlation between the two strings at all. The principle of the hash algorithm is to calculate the remainder according to the number of hash value servers of the data frame, and in this way, it is determined to which hash value server the content in the data frame is to be sent. In fact, it can be said that the relationship between sets corresponding to each other is equivalent to the process of mapping one data frame in one set to the corresponding data frame in another set. The distribution problem of a hash algorithm is also involved in the process. The working principle of the hash table is to convert a data frame into a number form according to a certain set algorithm, for example, a hash algorithm, perform remainder calculation on the array length by the numbers, take the remainder, use the result as the next mark of the array, store the numerical value, and store the numerical value in the array space under the numerical index. If a query command is issued with respect to the hash table, the hash function may be used to convert the data frame into a corresponding array under its token, thereby obtaining the corresponding hash value from within the space. Hash tables change constantly according to changes in input values. Typical hash algorithms are MD5, SHA1, SHA256, SM3, etc. The invention adopts a Hash algorithm to generate the Hash value of the digital information of the cultural relics and the artworks. The characteristics of the hash algorithm ensure that the digital information of the originally obtained cultural relics and artworks is different, and the obtained hash values are also different. Any modification to the original digital information will also result in a change in the hash value obtained by the same hash algorithm. The uniqueness verification of the cultural relics and the artwork real objects is realized through digital information such as high-definition scanning images and three-dimensional images of the cultural relics and the artwork; the uniqueness verification of the original digital information of the cultural relics and the artworks is realized through a Hash algorithm; and the light-weight hash value data is stored through the block chain to realize non-tampering.
Further, registering the first hash value on a block chain, and recording block information includes:
the block chain receives the first hash value and searches in a file record database, and if mapping of target information corresponding to the first hash value exists, the first target information is uploaded;
and if the mapping of the target information corresponding to the first hash value does not exist, the first target information is not uploaded, and the block chain receives the target information and stores the target information to a database.
The data judgment process is only used as a means for effectively utilizing the storage space when in storage.
Further, the target information further comprises ownership information, the image information of the target object, the trusted timestamp corresponding to the image information, the geographic position information corresponding to the image information and the ownership information are stored separately, and the target information is processed according to the preset rule to obtain a first hash value corresponding to the target information.
The right person information is registered in the target information, and in the process of animal right confirmation, the further confirmation of the working personnel on the animal is facilitated, the right person of the animal or the plant is determined, and the right person is compared with the identity information of the current claimant, so that whether the claimant is consistent with the right person of the animal or the plant when the animal or the plant dies is determined.
Optionally, the block information includes: block height, block chain timestamp.
According to the voucher manufacturing method based on the block chain, the timestamp and the geographic position, any data used for recording the animals and plants can be forged, and the binding relationship between the data and a real object is not firm. By adopting the voucher based on the block chain, the timestamp and the geographical position, provided by the embodiment of the invention, the authenticity of the voucher is proved by enhancing the storage authenticity of the original animal information or plant information to approach the limit, binding the animal or plant and the data information corresponding to the animal or plant to the maximum extent.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (9)
1. A voucher making method based on a block chain, a timestamp and a geographic position is characterized by comprising the following steps:
acquiring target information, wherein the target information comprises: image information of a target object, a trusted timestamp corresponding to the image information, and geographic location information corresponding to the image information;
the target information is stored separately, and is processed according to a preset rule, so that a first hash value corresponding to the target information is obtained;
registering the first hash value on a block chain, and recording block information;
and generating the voucher based on the block chain, the timestamp and the geographic position according to the block information.
2. The method of claim 1, wherein after generating the blockchain, timestamp, and geographic location based credential, the method further comprises:
acquiring the target information on the block chain;
generating a second hash value according to the target information;
comparing the second hash value with the first hash value, wherein when the first hash value is the same as the second hash value, the certificate is real;
when the first hash value is different from the second hash value, the credential is not authentic.
3. The method of claim 2, wherein the credentialing further comprises:
acquiring current information of a target object and first distinguishing information in the current information;
acquiring second difference information in the target information;
and determining the current state of the target object according to the first distinguishing characteristic and the second distinguishing characteristic.
4. The method of claim 3 for producing a voucher based on a blockchain, a timestamp and a geographical location, wherein the method for determining the current state of the object from the first distinguishing characteristic and the second distinguishing characteristic comprises:
aligning the first distinguishing feature with the second distinguishing feature;
when the first distinguishing characteristic is the same as the second distinguishing characteristic, the current information of the target object is real;
when the first distinguishing characteristic is different from the second distinguishing characteristic, the current information of the target object is not real.
5. The voucher production method based on blockchain, timestamp and geographical location according to claim 1, wherein the predetermined rule is a national standard hash algorithm.
6. The blockchain, timestamp, geographic location based credential production method of claim 1, wherein registering the first hash value on a blockchain and recording blockchain information comprises:
the block chain receives the first hash value and searches in a file record database, and if mapping of target information corresponding to the first hash value exists, the first target information is uploaded;
and if the mapping of the target information corresponding to the first hash value does not exist, the first target information is not uploaded, and the block chain receives the target information and stores the target information to a database.
7. The method of claim 1, wherein the target information further comprises owner information;
and separately storing the image information of the target object, the credible timestamp corresponding to the image information, the geographic position information corresponding to the image information and the belonger information, and processing the target information according to the preset rule to obtain a first hash value corresponding to the target information.
8. The method of claim 1, wherein the tile information comprises: block height, block chain timestamp.
9. The method of claim 1 wherein the target is an animal or plant.
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